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ChartItem has been refactored

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This commit is contained in:
Arin Alexander
2020-01-11 02:11:55 +03:00
parent 03c1e37b94
commit 919173870a
12 changed files with 753 additions and 571 deletions
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123
limereport/items/charts/lrverticalbarchart.cpp Normal file
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#include "lrverticalbarchart.h"
namespace LimeReport{
void VerticalBarChart::paintChart(QPainter *painter, QRectF chartRect)
{
QRectF calcRect = horizontalLabelsRect(
painter,
chartRect.adjusted(
hPadding(chartRect) * 2 + valuesHMargin(painter),
chartRect.height() - (painter->fontMetrics().height() + vPadding(chartRect) * 2),
-(hPadding(chartRect) * 2),
-vPadding(chartRect)
)
);
qreal barsShift = calcRect.height();
paintVerticalGrid(
painter,
chartRect.adjusted(
hPadding(chartRect),
vPadding(chartRect) + valuesVMargin(painter),
-hPadding(chartRect),
-(vPadding(chartRect) + barsShift)
)
);
paintVerticalBars(
painter,
chartRect.adjusted(
hPadding(chartRect) * 2 + valuesHMargin(painter),
vPadding(chartRect) + valuesVMargin(painter),
-hPadding(chartRect) * 2,
-(vPadding(chartRect) + barsShift)
)
);
paintSerialLines(
painter,
chartRect.adjusted(
hPadding(chartRect) * 2 + valuesHMargin(painter),
vPadding(chartRect) + valuesVMargin(painter),
-hPadding(chartRect) * 2,
-(vPadding(chartRect) + barsShift)
)
);
paintHorizontalLabels(painter, calcRect);
}
void VerticalBarChart::paintVerticalBars(QPainter *painter, QRectF barsRect)
{
int delta = int(maxValue() - minValue());
delta = genNextValue(delta);
int barSeriesCount = 0;
foreach(SeriesItem* series, m_chartItem->series()){
if (series->preferredType() == SeriesItem::Bar) barSeriesCount++;
}
barSeriesCount = (m_chartItem->itemMode() == DesignMode) ? seriesCount() : barSeriesCount;
if (barSeriesCount < 1) return;
painter->save();
painter->setRenderHint(QPainter::Antialiasing,false);
qreal vStep = barsRect.height() / delta;
qreal hStep = (barsRect.width() / valuesCount()) / (barSeriesCount == 0 ? 1 : barSeriesCount);
qreal topShift = (delta - (maxValue() - minValue())) * vStep + barsRect.top();
if (!m_chartItem->series().isEmpty() && (m_chartItem->itemMode() != DesignMode)){
int curSeries = 0;
foreach (SeriesItem* series, m_chartItem->series()) {
if (series->preferredType() == SeriesItem::Bar){
qreal curHOffset = curSeries * hStep + barsRect.left();
painter->setBrush(series->color());
foreach (qreal value, series->data()->values()) {
painter->drawRect(QRectF(curHOffset, maxValue() * vStep + topShift, hStep, -value * vStep));
curHOffset += hStep * barSeriesCount;
}
curSeries++;
}
}
} else {
qreal curHOffset = barsRect.left();
int curColor = 0;
for (int i = 0; i < 9; ++i){
if (curColor == 3) curColor = 0;
painter->setBrush(color_map[curColor]);
painter->drawRect(QRectF(curHOffset, maxValue() * vStep + barsRect.top(), hStep, -designValues()[i] * vStep));
curHOffset += hStep;
curColor++;
}
}
painter->restore();
}
void VerticalBarChart::paintSerialLines(QPainter* painter, QRectF barsRect)
{
painter->save();
painter->setRenderHint(QPainter::Antialiasing,true);
int delta = int(maxValue() - minValue());
delta = genNextValue(delta);
qreal vStep = barsRect.height() / delta;
qreal hStep = (barsRect.width() / valuesCount());
qreal topShift = (delta - (maxValue()-minValue())) * vStep + barsRect.top();
if (!m_chartItem->series().isEmpty()){
foreach (SeriesItem* series, m_chartItem->series()) {
if (series->preferredType() == SeriesItem::Line){
for (int i = 0; i < series->data()->values().count()-1; ++i ){
QPoint startPoint = QPoint((i+1)*hStep + barsRect.left()-hStep/2,
(maxValue() * vStep+topShift) - series->data()->values().at(i) * vStep
);
QPoint endPoint = QPoint((i+2)*hStep + barsRect.left()-hStep/2,
(maxValue() * vStep+topShift) - series->data()->values().at(i+1) * vStep
);
drawSegment(painter, startPoint, endPoint, series->color());
}
}
}
}
painter->restore();
}
} // namespace LimeReport